BaseStream Property
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StreamReader.BaseStream Property


Returns the underlying stream.

Namespace:   System.IO
Assembly:  mscorlib (in mscorlib.dll)

public virtual Stream BaseStream { get; }

Property Value

Type: System.IO.Stream

The underlying stream.

You use this property to access the underlying stream. The StreamReader class buffers input from the underlying stream when you call one of the Read methods. If you manipulate the position of the underlying stream after reading data into the buffer, the position of the underlying stream might not match the position of the internal buffer. To reset the internal buffer, call the DiscardBufferedData method; however, this method slows performance and should be called only when absolutely necessary. The StreamReader constructors that have the detectEncodingFromByteOrderMarks parameter can change the encoding the first time you read from the StreamReader object.

For a list of common I/O tasks, see Common I/O Tasks.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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